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The oxy-acetylene torch is a popular heat source in the brazing industry. It offers the advantage of a 5,500°F flame temperature with the versatility of a hand-held system. However, operators must observe safety precautions; while oxygen and acetylene are not volatile gasses, they are explosive when combined under certain conditions.

Lucas-Milhaupt will show how to braze copper tubing and fittings easily, with the help of Sil-Fos® filler metals. Note that no flux is required, because the phosphorus in Sil-Fos provides a self-fluxing ability when used with copper